detective

"The investigator looked into the missing library books. "

"The president of the student council used last year's debate as a precedent for this year's election rules. "

"Strict enforcement of the school's dress code is necessary to maintain order. "

"Attendance at the meeting is required."

"The dollar has declined rapidly since 2001."

"There is no evidence that anyone was here earlier."

"to investigate the causes of natural phenomena"

"The camping equipment was essential for a successful weekend trip. "

"The security guard is detecting metal objects with a scanner at the entrance. "

"We have an available candidate."

"He said he didn’t do it, but the evidence was otherwise."

"The information about the project deadline resolved my uncertainty; now I know what needs to be completed. "